GCSE CS - 2.5 Translators and Facilities of Languages

What is machine code?

• Instructions and data in binary

• Serial number of the CPU

• Instructions and data in human readable form

• Instructions and data in assembly code mnemonics

What is the problem writing machine code?

• Quick to learn

• Easy to debug

• Easy to read

• Hard to remember the binary codes Hard to remember the binary codes

What is a MNEMONIC?

• A single action that can be performed by a computer.

• A symbol that represents an instruction in assembly code.

• A high level language keyword.

• A register used inside a CPU A register used inside a CPU.

What is assembly code?

• Another name for machine code

• High-level programming language

• Low-level programming language

• Type of object code Type of object code

Which of the following is NOT a High Level Language?

• Python

• Java

• x86 Assembly

• C++

Which of the following is NOT a High Level Language?

• Python

• Java

• x86 Assembly

• C++

Why were high-level languages developed?

• Low-level language was too easy

• They were created by accident

• Low-level languages are hard to remember and use

• Computers were getting too advanced

What does a translator do?

• Swaps between different high-level languages

• Swaps between different machine code types

• Converts pseudocode to machine code

• Converts programs to machine code

Which of the following is NOT a translator?

• Assembler

• Compiler

• Interpreter

• Executable

Why do we need translators?

• Computers only understand program's in assembly code.

• Computers only understand program's in high-level language.

• Computers only understand Norwegian.

• Computers only understand program's in machine language.